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1·The protection of pickling bath using compound lining structure is outlined.

采用复合衬里结构对酸洗槽进行防护，介绍了施工方法。

2·As the steel is removed from the pickling bath, a thin oxide layer forms immediately over the surface.

当从酸浸浴中取出钢时，其表面就会立即形成一层薄薄的氧化物。

3·The invention relates to a closed circulation pickling bath, and pertains to the pickling device technical field.

一种封闭式循环酸洗槽，属于酸洗装置技术领域。

4·Electroless nickel plating on magnesium alloys in nickel sulfate bath is studied, obtaining optimal formulations for the pickling, activating and nickel plating processes.

研究了镁合金硫酸镍化学镀镍工艺，得到了最佳的酸洗、活化及镀镍液配方。